Wrench



FIG. 1 is an elevation of a wrench according to the invention;

FIG. 2 is a right-hand side view of FIG. 1; and

FIG. 3 is a bottom view of FIG. 1.

FIG. 4 is a cross-section taken on line 4--4 of FIG. 2 and is also the same as taken on any other plane that is normal to the length of the material.

The back view of FIG. 1 is the mirror image of FIG. 1. 

The ornamental design for a wrench, as shown and described. 